Portable computer



FIG. 1 is a top, front, right side perspective view of a portable computer showing our new design;

FIG. 2 is a top, front, right side perspective view thereof, the cover is shown in the closed position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof.

The cover is shown in the opened position in FIGS. 1, 3, 4, 5, 7 and 8. 

The ornamental design for a portable computer, as shown and described. 